Enqueue Google Fonts.

functions.php

<?php
//* Do NOT include the opening php tag

//* Load Lato and Merriweather Google fonts
add_action( 'wp_enqueue_scripts', 'bg_load_google_fonts' );
function bg_load_google_fonts() {
	wp_enqueue_style( 'google-fonts', '//fonts.googleapis.com/css?family=Lato:300,700|Merriweather:300,700', array(), CHILD_THEME_VERSION );
}